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13-09-2021
Chemistry

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is a hollow tube that serves as passageway of air into the luns

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mishaal1639 mishaal1639

13-09-2021

Answer:

The air that we breathe in enters the nose or mouth, flows through the throat (pharynx) and voice box (larynx) and enters the windpipe (trachea). The trachea divides into two hollow tubes called bronchi

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